Home / 51,679,538.32-71,319,378.26-29,657,066.16

Finding the Fourth Proportional to 51,679,538.32, 71,319,378.26 and 29,657,066.16

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Solution

The fourth proportional to 51,679,538.32, 71,319,378.26 and 29,657,066.16 is: 40,927,678.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,679,538.32 : 71,319,378.26 = 29,657,066.16 : x
  2. Step 2: Convert to fraction form
    51,679,538.32/71,319,378.26 = 29,657,066.16/x
  3. Step 3: Cross multiply
    51,679,538.32x = 71,319,378.26 × 29,657,066.16
  4. Step 4: Simplify right side
    51,679,538.32x = 2,115,123,519,546,885.75
  5. Step 5: Solve for x
    x = 2,115,123,519,546,885.75/51,679,538.32
  6. Step 6: Final answer
    x = 40,927,678.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.